1282256 has 10 divisors (see below), whose sum is σ = 2484402. Its totient is φ = 641120.

The previous prime is 1282241. The next prime is 1282261. The reversal of 1282256 is 6522821.

It can be written as a sum of positive squares in only one way, i.e., 1032256 + 250000 = 1016^2 + 500^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40055 + ... + 40086.

2^1282256 is an apocalyptic number.

1282256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1282256 is a deficient number, since it is larger than the sum of its proper divisors (1202146).

1282256 is an equidigital number, since it uses as much as digits as its factorization.

1282256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80149 (or 80143 counting only the distinct ones).

The product of its digits is 1920, while the sum is 26.

The square root of 1282256 is about 1132.3674315345. The cubic root of 1282256 is about 108.6404560385.

The spelling of 1282256 in words is "one million, two hundred eighty-two thousand, two hundred fifty-six".